1. Ajụjụ mbụ a ga-ekwenye bụ: A na-eji rivets aluminum niile?Ọ bụrụ na ọ bụ aluminom okpu ígwè rivet, isi ntu mgbe riveting ga-nchara mgbe ọbọp na ntu okpu.
2. The countersunk isi ịdọrọ rivet enweghị ike ị nweta drum, nke metụtara breakpoint nke sere rivet, nke na-akpata ezughị ezu esemokwu.
Oge nzipu: Mar-02-2022